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Am J Psychiatry. 1995 Dec;152(12):1771-5.

Trial of d-alpha-tocopherol in Huntington's disease.

Author information

  • 1Department of Psychiatry, Johns Hopkins University School of Medicine, USA.

Abstract

OBJECTIVE:

Evidence suggests that the neuropathology of Huntington's disease, a neuropsychiatric disorder due to a mutation on chromosome 4, results from excessive activation of glutamate-gated ion channels, which kills neurons by oxidative stress. Therefore, the authors hypothesized that alpha-tocopherol, which reduces oxyradical damage to cell membranes, might slow the course of Huntington's disease.

METHOD:

A prospective, double-blind; placebo-controlled study of high-dose d-alpha-tocopherol treatment was carried out with a cohort of 73 patients with Huntington's disease who were randomly assigned to either d-alpha-tocopherol or placebo. Patients were monitored for changes in neurologic and neuropsychologic symptoms.

RESULTS:

Treatment with d-alpha-tocopherol had no effect on neurologic and neuropsychiatric symptoms in the treatment group overall. However, post hoc analysis revealed a significant selective therapeutic effect on neurologic symptoms for patients early in the course of the disorder.

CONCLUSIONS:

Antioxidant therapy may slow the rate of motor decline early in the course of Huntington's disease.

PMID:
8526244
[PubMed - indexed for MEDLINE]
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